Because the lung has two bronchi, it can still function if one bronchus is blocked by a foreign object. No gas exchange will happen to the affected side, and the other lung will compensate for the loss of air. The blocked portion though can become inflamed and can lead to infection and damage.
The answer is C, Photosynthesis because it’s an non human activity, it’s energy from the sun
<span>The macrophage is the cell responsible for detecting, engulfing and destroying pathogens and apoptotic cells. These cells process and present antigens (foreign materials) to immunocompetent cells and thus they are the key mediators in the development of all immune reactions.</span>
